Trial Outcomes & Findings for Clinical Outcomes in Narcolepsy and Cataplexy: An Evaluation of Reboxetine Treatment (CONCERT) (NCT NCT03881852)

NCT ID: NCT03881852

Last Updated: 2023-08-24

Results Overview

Presented as LSmeans. A positive change is indicative of improvement.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

21 participants

Primary outcome timeframe

2 weeks

Results posted on

2023-08-24

Participant Flow

Crossover Design: Subjects meeting the entry criteria will be randomized in a 1:1 ratio either to Sequence 1 \[AXS-12 (up to 10 mg daily) for three weeks followed by placebo for three weeks\] or Sequence 2 \[placebo for three weeks followed by AXS-12 (up to 10 mg daily) for three weeks\].

Participant milestones

Participant milestones
Measure
Sequence 1
Sequence 1 - AXS-12 (reboxetine) for three weeks followed by placebo for three weeks
Sequence 2
Sequence 2 - Placebo for three weeks followed by AXS-12 (reboxetine) for three weeks
Overall Study
STARTED
11
10
Overall Study
Dosed With AXS-12
11
10
Overall Study
Dosed With Placebo
10
10
Overall Study
COMPLETED
10
10
Overall Study
NOT COMPLETED
1
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Clinical Outcomes in Narcolepsy and Cataplexy: An Evaluation of Reboxetine Treatment (CONCERT)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Sequence 1
n=11 Participants
Sequence 1 - AXS-12 (reboxetine) for three weeks followed by placebo for three weeks
Sequence 2
n=10 Participants
Sequence 2 - Placebo for three weeks followed by AXS-12 (reboxetine) for three weeks
Total
n=21 Participants
Total of all reporting groups
Age, Continuous
32.3 years
STANDARD_DEVIATION 12.44 • n=5 Participants
32.9 years
STANDARD_DEVIATION 6.74 • n=7 Participants
32.6 years
STANDARD_DEVIATION 9.90 • n=5 Participants
Sex: Female, Male
Female
10 Participants
n=5 Participants
7 Participants
n=7 Participants
17 Participants
n=5 Participants
Sex: Female, Male
Male
1 Participants
n=5 Participants
3 Participants
n=7 Participants
4 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
4 Participants
n=5 Participants
2 Participants
n=7 Participants
6 Participants
n=5 Participants
Race (NIH/OMB)
White
6 Participants
n=5 Participants
8 Participants
n=7 Participants
14 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 2 weeks

Presented as LSmeans. A positive change is indicative of improvement.

Outcome measures

Outcome measures
Measure
AXS-12 (Reboxetine)
n=21 Participants
AXS-12 (Reboxetine): Dosed orally, twice daily for up to 3 weeks
Placebo
n=20 Participants
Placebo: Dosed orally, twice daily for up to 3 weeks
Change From Baseline in the Weekly Average Total Number of Cataplexy Attacks
13.0 weekly cataplexy attacks
Standard Error 3.5
-0.28 weekly cataplexy attacks
Standard Error 3.5

Adverse Events

AXS-12 (Reboxetine)

Serious events: 0 serious events
Other events: 9 other events
Deaths: 0 deaths

Placebo

Serious events: 0 serious events
Other events: 8 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
AXS-12 (Reboxetine)
n=21 participants at risk
Adverse events collected while subjects were in the AXS-12 (reboxetine) period of either Sequence 1 or Sequence 2.
Placebo
n=20 participants at risk
Adverse events collected while subjects were in the Placebo period of either Sequence 1 or Sequence 2.
Psychiatric disorders
Anxiety
19.0%
4/21 • Number of events 4 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
5.0%
1/20 • Number of events 1 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
Gastrointestinal disorders
Constipation
19.0%
4/21 • Number of events 4 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
0.00%
0/20 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
Psychiatric disorders
Insomnia
19.0%
4/21 • Number of events 4 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
5.0%
1/20 • Number of events 1 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
Gastrointestinal disorders
Dry mouth
9.5%
2/21 • Number of events 2 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
0.00%
0/20 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
Psychiatric disorders
Depression
4.8%
1/21 • Number of events 1 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
5.0%
1/20 • Number of events 1 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
Nervous system disorders
Headache
4.8%
1/21 • Number of events 1 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
5.0%
1/20 • Number of events 1 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
Immune system disorders
Allergy to animal
0.00%
0/21 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
5.0%
1/20 • Number of events 1 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
Investigations
Blood pressure increased
0.00%
0/21 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
10.0%
2/20 • Number of events 3 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
Gastrointestinal disorders
Diarrhea
0.00%
0/21 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
5.0%
1/20 • Number of events 1 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
Gastrointestinal disorders
Eructation
0.00%
0/21 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
5.0%
1/20 • Number of events 1 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
Gastrointestinal disorders
Flatulence
0.00%
0/21 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
5.0%
1/20 • Number of events 1 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
Infections and infestations
Nasopharyngitis
0.00%
0/21 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
5.0%
1/20 • Number of events 1 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
Gastrointestinal disorders
Nausea
0.00%
0/21 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
10.0%
2/20 • Number of events 2 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
Infections and infestations
Sinusitis
0.00%
0/21 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
5.0%
1/20 • Number of events 1 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
Infections and infestations
Urinary tract infection
0.00%
0/21 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.
5.0%
1/20 • Number of events 1 • Adverse events were collected from the randomization visit through 7 days after the last dosing date for non-serious AEs and 30 days after the last dosing for serious AEs.
Safety Population includes all subjects who received study drug.

Additional Information

Caroline Streicher, Executive Director, Clinical Operations

Axsome Therapeutics, Inc.

Phone: 212-332-5061

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place